Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Recurring Fair Value Measurements [Member] - USD ($) $ in Thousands	Sep. 30, 2016	Mar. 31, 2016
Assets
Total assets	$ 1,476	$ 1,431
Liabilities
Total liabilities	296	278
Deferred Compensation Plans [Member]
Liabilities
Total liabilities	296	278
Marketable Securities [Member]
Assets
Total assets	296	278
Foreign Exchange Contracts [Member]
Assets
Total assets	14
Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	1,166	1,153
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]
Assets
Total assets	296	278
Liabilities
Total liabilities	296	278
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Deferred Compensation Plans [Member]
Liabilities
Total liabilities	296	278
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Marketable Securities [Member]
Assets
Total assets	296	278
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Foreign Exchange Contracts [Member]
Assets
Total assets	0
Quoted Prices In Active Markets for Identical Assets (Level 1) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets
Total assets	1,180	1,153
Liabilities
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Deferred Compensation Plans [Member]
Liabilities
Total liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Marketable Securities [Member]
Assets
Total assets	0	0
Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Contracts [Member]
Assets
Total assets	14
Significant Other Observable Inputs (Level 2) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	1,166	1,153
Significant Unobservable Inputs (Level 3) [Member]
Assets
Total assets	0	0
Liabilities
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Deferred Compensation Plans [Member]
Liabilities
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Marketable Securities [Member]
Assets
Total assets	0	0
Significant Unobservable Inputs (Level 3) [Member] | Foreign Exchange Contracts [Member]
Assets
Total assets	0
Significant Unobservable Inputs (Level 3) [Member] | Cash Surrender Value of Life Insurance Policies [Member]
Assets
Total assets	$ 0	$ 0